possible field values
slides
config file for mysql workbench
p374 as default, documentation dependencies and link in README.md, therubyracer update.
Moved documentation link. [ci skip]
Integration test for registration and sign in added.
Test branch CRUD on Travis CI, too.
add null-constraints to database
enamed permission_list into relation_list.
Merge branch 'master' into CRUD

Conflicts:
	Gemfile.lock
	app/models/logic.rb